package com.heima.behavior.service.impl;

import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApLikesBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.LikesBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.common.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.Date;

@Service
@Slf4j
public class ApLikesBehaviorServiceImpl implements ApLikesBehaviorService {
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Autowired
    MongoTemplate mongoTemplate;
    @Override
    public ResponseResult like(LikesBehaviorDTO dto) {
        // 1. 校验参数
        if (dto==null) {
            CustException.cust(AppHttpCodeEnum.PARAM_INVALID,"不能为空");
        }
        //点赞需要登录
        ApUser user = AppThreadLocalUtils.getUser();
        if (user==null) {
            CustException.cust(AppHttpCodeEnum.NEED_LOGIN);
        }
        // 校验文章id不能为空     使用注解校验
        // 校验点赞方式 只能是0 或 1   使用注解校验
        // 2. 根据当前登录用户id查询行为实体对象
        ApBehaviorEntry behaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
        if (behaviorEntry==null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID,"获取实体类失败啦");
        }
        // 3. 如果是点赞操作  判断是否已经点过赞
        Query query = Query.query(Criteria.where("entryId").is(behaviorEntry.getId()).and("articleId").is(dto.getArticleId()));
        ApLikesBehavior apLikesBehavior = mongoTemplate.findOne(query, ApLikesBehavior.class);
        if (dto.getOperation().intValue()==0&&apLikesBehavior!=null) {
            CustException.cust(AppHttpCodeEnum.PARAM_INVALID,"请勿重复点赞哦");
        }
        // 4. 没有点过赞则 像mongo点赞集合中 添加点赞数据
        if (dto.getOperation().intValue()==0) {
            apLikesBehavior= new ApLikesBehavior();
            apLikesBehavior.setEntryId(apLikesBehavior.getId());
            apLikesBehavior.setArticleId(dto.getArticleId());
            apLikesBehavior.setType((short)0);
            apLikesBehavior.setOperation((short)1);
            apLikesBehavior.setCreatedTime(new Date());
            mongoTemplate.save(apLikesBehavior);
        }else {
            // 5. 如果是取消点赞操作  在mongo点赞集合中 删除对应点赞数据
            mongoTemplate.remove(query,ApLikesBehavior.class);
        }


        return ResponseResult.okResult();
    }
}
